Support Go Green! Feel free to use Green Vector. please notify me if you like to use for commercial purpose 概念 生态 生态学 绿色矢量
Save water save earth: Water drop from rg1024(http://openclipart.org/detail/20448/set-of-water-drops-by-rg1024) and hand clip art from Anonymous(http://openclipart.org/detail/25610/calligraphy-by-anonymous-25610) 水 保存 回收站 节约用水